taxeditor-bulkeditor/src/main/java/eu/etaxonomy/taxeditor/annotatedlineeditor/LineSelectionSource.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.annotatedlineeditor;
  12
  13 import org.apache.log4j.Logger;
  14 import org.eclipse.jface.text.source.Annotation;
  15 import org.eclipse.jface.text.source.IAnnotationModel;
  16 import org.eclipse.jface.text.source.ISourceViewer;
  17
  18 /**
  19  * <p>LineSelectionSource class.</p>
  20  *
  21  * @author p.ciardelli
  22  * @created 03.07.2009
  23  * @version 1.0
  24  */
  25 public class LineSelectionSource implements ILineSelectionSource {
  26         @SuppressWarnings("unused")
  27         private static final Logger logger = Logger
  28                         .getLogger(LineSelectionSource.class);
  29
  30         private ISourceViewer viewer;
  31
  32         /**
  33          * <p>Constructor for LineSelectionSource.</p>
  34          *
  35          * @param viewer a {@link org.eclipse.jface.text.source.ISourceViewer} object.
  36          */
  37         public LineSelectionSource(ISourceViewer viewer) {
  38                 this.viewer = viewer;
  39         }
  40
  41         /* (non-Javadoc)
  42          * @see eu.etaxonomy.taxeditor.bulkeditor.ILineSelectionSource#getSelectedObjectAtLine(int)
  43          */
  44         /** {@inheritDoc} */
  45         public Object getSelectedObjectAtLine(int line) {
  46                 IAnnotationModel model = viewer.getAnnotationModel();
  47                 if (model instanceof LineAnnotationModel) {
  48                         Annotation annotation = ((LineAnnotationModel) model).
  49                                                                                 getAnnotationAtLine(line, viewer.getDocument());
  50                         if (annotation != null) {
  51                                 return ((LineAnnotation) annotation).getEntity();//getPropertySource();
  52                         }
  53                 }
  54                 return null;
  55         }
  56 }